Dr Yusuf Kaya (BSc, PhD, CEng, MICE) is a chartered civil engineer by profession and is a well-known expert in mathematical modelling and flood risk management within the UK. Before forming Kaya Consulting Limited in 2004, Yusuf managed all modelling and flood risk assessment and management work for Babtie Group in Scotland. Yusuf has over 30 years of experience in mathematical modelling of rivers, estuaries and coastal waters. Modelling tools used vary from simple one-dimensional steady state to two- and three-dimensional dynamic models. These include Hec-RAS, Floodtide, Mike11, Mike21, Isis, Divast, Flofield/Dispol, CE-QUAL-W2, and Yusuf also has considerable experience in hydrological analysis using FEH methodologies and catchment modelling. He has also been involved in a number of coastal process and harbour siltation studies, many of which involved modelling of waves, currents, and sediment transport. His experience covers all types of flooding including fluvial, coastal, estuarine, overland (pluvial), and sewer. He has provided expert advice on flooding issues to a number of organisations and acted as expert witness at public inquiries.
Yusuf retired in late 2021 but remains with the company as a Senior Consultant providing expert advice and guidance.